// This file is part of Substrate.

// Copyright (C) Parity Technologies (UK) Ltd.
// SPDX-License-Identifier: GPL-3.0-or-later WITH Classpath-exception-2.0

// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.

// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.

/// An overarching CLI command definition.
#[derive(Debug, clap::Parser)]
pub struct Cli {
	/// Possible subcommand with parameters.
	#[command(subcommand)]
	pub subcommand: Option<Subcommand>,

	#[allow(missing_docs)]
	#[clap(flatten)]
	pub run: sc_cli::RunCmd,

	/// Disable automatic hardware benchmarks.
	///
	/// By default these benchmarks are automatically ran at startup and measure
	/// the CPU speed, the memory bandwidth and the disk speed.
	///
	/// The results are then printed out in the logs, and also sent as part of
	/// telemetry, if telemetry is enabled.
	#[arg(long)]
	pub no_hardware_benchmarks: bool,

	#[allow(missing_docs)]
	#[clap(flatten)]
	pub storage_monitor: sc_storage_monitor::StorageMonitorParams,

	#[command(flatten)]
	pub eth: EthConfiguration,
}

/// Possible subcommands of the main binary.
#[derive(Debug, clap::Subcommand)]
pub enum Subcommand {
	/// Sub-commands concerned with benchmarking.
	/// The pallet benchmarking moved to the `pallet` sub-command.
	#[command(subcommand)]
	Benchmark(frame_benchmarking_cli::BenchmarkCmd),

	/// Try some command against runtime state.
	#[cfg(feature = "try-runtime")]
	TryRuntime(try_runtime_cli::TryRuntimeCmd),

	/// Try some command against runtime state. Note: `try-runtime` feature must be enabled.
	#[cfg(not(feature = "try-runtime"))]
	TryRuntime,

	/// Key management cli utilities
	#[command(subcommand)]
	Key(sc_cli::KeySubcommand),

	/// Verify a signature for a message, provided on STDIN, with a given (public or secret) key.
	Verify(sc_cli::VerifyCmd),

	/// Generate a seed that provides a vanity address.
	Vanity(sc_cli::VanityCmd),

	/// Sign a message, with a given (secret) key.
	Sign(sc_cli::SignCmd),

	/// Build a chain specification.
	BuildSpec(sc_cli::BuildSpecCmd),

	/// Validate blocks.
	CheckBlock(sc_cli::CheckBlockCmd),

	/// Export blocks.
	ExportBlocks(sc_cli::ExportBlocksCmd),

	/// Export the state of a given block into a chain spec.
	ExportState(sc_cli::ExportStateCmd),

	/// Import blocks.
	ImportBlocks(sc_cli::ImportBlocksCmd),

	/// Remove the whole chain.
	PurgeChain(sc_cli::PurgeChainCmd),

	/// Revert the chain to a previous state.
	Revert(sc_cli::RevertCmd),

	/// Db meta columns information.
	ChainInfo(sc_cli::ChainInfoCmd),
}

/// Avalailable frontier backend types.
#[derive(Debug, Copy, Clone, Default, clap::ValueEnum)]
pub enum BackendType {
	/// Either RocksDb or ParityDb as per inherited from the global backend settings.
	#[default]
	KeyValue,
	/// Sql database with custom log indexing.
	Sql,
}

/// The ethereum-compatibility configuration used to run a node.
#[derive(Clone, Debug, clap::Parser)]
pub struct EthConfiguration {
	/// Maximum number of logs in a query.
	#[arg(long, default_value = "10000")]
	pub max_past_logs: u32,

	/// Maximum fee history cache size.
	#[arg(long, default_value = "2048")]
	pub fee_history_limit: u64,

	#[arg(long)]
	pub enable_dev_signer: bool,

	/// The dynamic-fee pallet target gas price set by block author
	#[arg(long, default_value = "1")]
	pub target_gas_price: u64,

	/// Maximum allowed gas limit will be `block.gas_limit * execute_gas_limit_multiplier`
	/// when using eth_call/eth_estimateGas.
	#[arg(long, default_value = "10")]
	pub execute_gas_limit_multiplier: u64,

	/// Size in bytes of the LRU cache for block data.
	#[arg(long, default_value = "50")]
	pub eth_log_block_cache: usize,

	/// Size in bytes of the LRU cache for transactions statuses data.
	#[arg(long, default_value = "50")]
	pub eth_statuses_cache: usize,

	/// Sets the frontier backend type (KeyValue or Sql)
	#[arg(long, value_enum, ignore_case = true, default_value_t = BackendType::default())]
	pub frontier_backend_type: BackendType,

	// Sets the SQL backend's pool size.
	#[arg(long, default_value = "100")]
	pub frontier_sql_backend_pool_size: u32,

	/// Sets the SQL backend's query timeout in number of VM ops.
	#[arg(long, default_value = "10000000")]
	pub frontier_sql_backend_num_ops_timeout: u32,

	/// Sets the SQL backend's auxiliary thread limit.
	#[arg(long, default_value = "4")]
	pub frontier_sql_backend_thread_count: u32,

	/// Sets the SQL backend's query timeout in number of VM ops.
	/// Default value is 200MB.
	#[arg(long, default_value = "209715200")]
	pub frontier_sql_backend_cache_size: u64,
}
